57445001908 has 24 divisors (see below), whose sum is σ = 115001281472. Its totient is φ = 24595441344.

The previous prime is 57445001897. The next prime is 57445001989. The reversal of 57445001908 is 80910054475.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 964110 + ... + 1021957.

Almost surely, 2^57445001908 is an apocalyptic number.

It is an amenable number.

57445001908 is an abundant number, since it is smaller than the sum of its proper divisors (57556279564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57445001908 is a wasteful number, since it uses less digits than its factorization.

57445001908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987111 (or 1987109 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 57445001908 in words is "fifty-seven billion, four hundred forty-five million, one thousand, nine hundred eight".